William Blair & Company
47yrs
Top advisor by experience in Illinois
18yrs
Andrew Pataky
Full name on record: Andrew Michael Pataky
Financial advisor at Mesirow Financial Investment Management
Andrew Pataky is a fiduciary financial advisor in Chicago, Illinois, with 18 years in the industry. Andrew joined Mesirow Financial Investment Management in 2009, after three years at Mesirow Institutional Investment Management. Mesirow Financial Investment Management offers financial planning, investment management, and private fund management and is paid through a percentage of assets and performance-based fees.
One of 6312 advisors with offices in Chicago, and one of 5878 fiduciaries.
At a glance
Experience18 years (since 2009)
How that compares ?More experience than 61% of advisors in Chicago
Office353 N. Clark Street, Chicago, IL 60654
How the firm is paid ?Percent of assets, Performance fee
Typical client at the firm ?$923,321
Advisors at the firm92
States licensed ?1 state
Services through Mesirow Financial Investment Management
Financial planningInvestment management for individuals and small businessesManaging private fundsRetirement plan consultingChoosing other investment managers
Specialties, designations like CFP®, and languages spoken appear here when advisors claim their profiles.
Licenses
Exams passed, from the official record. Tap a license to see what it allows.
Series 66Uniform Combined State Law Examination
Career
- 2022 – 2025Mesirow Institutional Investment Management, Inc.Previously
- 2009 – nowMesirow Financial Investment Management, Inc.Current firm
Questions to ask Andrew
Tailored to Andrew’s registration and firm.
- Your firm can charge performance-based fees. Would that apply to me?
- What does a financial plan with you include, and how often is it updated?
- If you use outside managers, how are they chosen and what do they cost on top of your fee?
- Where would my money be held, and will I get statements directly from that firm?
- What would I pay in total each year, in dollars, including fund and trading costs?
My notes and scorecard
Sign in to keep private notes, score your first meeting, and track this advisor alongside others.
About Andrew
How do I contact Andrew?
Call Mesirow Financial Investment Management at 800-621-4421 and ask for Andrew Pataky. Andrew works from the Chicago, IL office.
How long has Andrew been a financial advisor?
Andrew has been in the industry since 2009, about 18 years. More experience than 61% of advisors in Chicago.
What licenses does Andrew hold?
Series 66. Tap any license on this page to see what it allows.
Is Andrew a fiduciary?
Andrew is registered as an investment advisor representative, which carries a fiduciary duty when giving investment advice.
How is Andrew paid?
Mesirow Financial Investment Management reports being paid by a percentage of the assets they manage, a share of investment gains. Ask Andrew for your total yearly cost in dollars.
Official record as of October 3, 2026.
This profile is for information only and is not financial advice or a recommendation.
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